diff --git a/react/features/base/i18n/languageDetector.native.js b/react/features/base/i18n/languageDetector.native.js
index c891dd1ce..968f4c3e4 100644
--- a/react/features/base/i18n/languageDetector.native.js
+++ b/react/features/base/i18n/languageDetector.native.js
@@ -17,7 +17,7 @@ export default {
     detect() {
         const { LocaleDetector } = NativeModules;
 
-        return LocaleDetector.locale.replace(/_/, '-');
+        return LocaleDetector.locale.replace(/[_-]/, '');
     },
 
     init: Function.prototype,